144x32 Graphic LCD Display

Model No. WG14432B

►Graphic LCD 144x32
►IC: ST7920
►+5V power supply
►Internal boost option
►1/32 duty cycle
►LED can be driven by PIN15, PIN16 or A, K
►Chinese version
►Same size as WH1602B
►Interface: 6800/SPI

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Description

WG14432B is a monochrome 144x32 graphics LCD module which is built in with ST7920 controller IC. WG14432B is having the same mechanical size as Character WH1602B. This WG14432B module supports 6800 parallel and SPI interface; 5V power supply, also internal boost 3.3V optional. This 144x32 graphic LCD display supports Traditional Chinese Font and Simplified Chinese Font. It can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.

DRAWING

Winstar 144x32 Graphic LCD Display - WG14432B

Data source ref:WG14432B-TMI-VGB#

SPECIFICATIONS

Interface Pin Function

Pin No.	Symbol	Level	Description
1	VSS	0V	GND
2	VDD	5.0V	Power Supply (+5V)
3	VO		No connection
4	RS	H/L	H/L register select signal
5	R/W	H/L	H/L Read/Write signal
6	E	H/L	Enable signal
7	DB0	H/L	Data bus line
8	DB1	H/L	Data bus line
9	DB2	H/L	Data bus line
10	DB3	H/L	Data bus line
11	DB4	H/L	Data bus line
12	DB5	H/L	Data bus line
13	DB6	H/L	Data bus line
14	DB7	H/L	Data bus line
15	A	－	LED+
16	K	－	LED-

Mechanical Data

Item	Dimension	Unit
Number of dots	144 x 32	－
Module dimension	80.0 x 36.0 x 13.2 (MAX)	mm
View area	66.0 x 16.0	mm
Active area	60.44 x 13.4	mm
Dot size	0.38 x 0.38	mm
Dot pitch	0.42 x 0.42	mm
LCD type	STN Negative, Blue Transmissive (In LCD production, It will occur slightly color difference.We can only guarantee the same color in the same batch.)
Duty	1/32
View direction	6 o’clock
Backlight Type	LED
IC	ST7920
Interface	6800

Absolute Maximum Ratings

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	－	+70	℃
Storage Temperature	TST	-30	－	+80	℃
Input Voltage	VIN	-0.3	－	VDD+0.3	V
Supply Voltage For Logic	VDD-VSS	-0.3	－	5.5	V
Supply Voltage For LCD	VO-VSS	0	－	7.0	V

Electrical Characteristics

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Logic	VDD-VSS	－	4.5	5.0	5.5	V
Supply Voltage For LCD	V0-VSS	Ta=-20℃ Ta=25℃ Ta=70℃	－－－	－－－	－－－	V V V
Input High Volt.	VIH	－	0.7VDD	－	VDD	V
Input Low Volt.	VIL	－	-0.3	－	0.6	V
Output High Volt.	VOH	－	0.8VDD	－	VDD	V
Output Low Volt.	VOL	－	－	－	0.4	V
Supply Current	IDD	VDD=5.0V	2.0	2.5	3.5	mA

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